Manual Ball Pen Making Machine

They can be produced by either extrusion or injection molding. In each approach, the plastic is supplied as granules or powder and is fed into a large hopper. The extrusion process involves a large spiral screw, which forces the material through a heated chamber, making it a thick, flowing mass. Explanation: Pen is a common and highly preferred accessory that appears as a kind of simple machine. when it comes to a simple machine it is one type of machines used for transferring certain amount of enery from one destination to other place. Apart from that they also allow people to do their work.